html, body {
    height: 100%;
}

#head {
    height: 40px;
    margin: 0;
}

p {
    font-size: 30px;
    margin: 20px 20px;
    font-family: 楷体;
}

#content {
    /*background:#CCCCCC;*/
    height: 200px;
    margin: 20px;
}

#left {
    width: 20%;
    height: 200px;
    /*background:#CCCC66;*/
    float: left;
    margin: 0px;
}

ul {
    width: auto;
    height: 300px;
    font-size: 20px;
}

li {
    width: auto;
    height: 50px;
}

a {
    text-decoration: none;
    font-family: 楷体;
}

table {
    border-collapse: collapse;
    width: 1100px;
    font-size: 20px;
    font-family: 楷体;

}

table, th, td {
    border: 1px solid black;
    text-align: center;
}

tr {
    height: 50px;
}

input {
    height: 40px;
    margin: 5px 0;
    outline: none;
    border: 1px solid #aaa;
    padding-left: 10px;
    font-size: 14px;
}

input[type=submit] {
    width: 100px;
    height: 40px;
    line-height: 40px;
    font-size: 16px;
    background-color: #7b7070;
    border: none;
    color: #fff;
    padding: 0;
    margin: 5px 0;
    cursor: pointer;
}
